The outdoor intercom is a telephone device specifically designed for outdoor emergency calls. It can be wall-mounted or embedded, with easy and sturdy installation that ensures durability and an attractive appearance. The outdoor intercom features full-duplex two-way voice communication and complies with the internationally recognized SIP protocol. As a SIP intercom, it requires only one […]

In the context of increasingly prominent global environmental problems, the responsibility and role of enterprises in environmental protection have become increasingly prominent.Climate change and environmental protection are important parts of the global agenda. The international community has conducted extensive discussions on issues such as reducing greenhouse gas emissions, sustainable energy development, and protecting biodiversity.   […]

Where is the 4G version of the telephone used? In tunnels, highway construction, subway construction and other projects, communication equipment is an important part. It not only plays a role in daily communication, but also needs to ensure normal work in emergency situations. Many customers choose the 4G version of the weatherproof phone. Based on […]

In the spirit of Christmas, J&R Technology, extends warm wishes and heartfelt gratitude to its esteemed customers, both old and new. This festive season serves as a time of reflection, appreciation, and anticipation for a prosperous future. As the year draws to a close, J&R Technology takes this opportunity to express sincere appreciation for the […]